Oracle Linux Advanced System Administration OLIN-AADM

Audience:

• Data Center Manager
• Support Engineer
• System Administrator

Prerequisites:

• Ability to install Linux and perform basic system configuration, use UNIX/Linux commands from the command line, and use the vi editor.

Objectives:

• Create and use Btrfs file systems
• Configure resource management using Control Groups (cgroups)
• Configure operating system-level virtualization with Linux Containers (LXC)
• Configure iSCSI shared storage
• Configure Device Mapper Multipathing
• Create Udev rules for persistent device naming
• Configure a shared disk cluster file system using Oracle Cluster File System Version 2 (OCFS2)
• Use a range of performance monitoring utilities
• Collect and analyze core dumps
• Explore your system using Dynamic Tracing (DTrace)

Topics:

Course Introduction

• Virtualization with Oracle VM Server
• Starting, Stopping, and Listing Guests
• Connecting to Guests
• Classroom System Configuration

Implementing the Btrfs File System

• Introduction to Btrfs
• Creating a Btrfs File System
• The btrfs Utility
• Btrfs Subvolmes and Snapshots
• Taking a Snapshot of a File
• Mounting a Btrfs Subvolume
• Converting Ext File Systems to Btrfs
• Create a Btrfs root file system using the UEK Boot ISO

Managing Resources with Control Groups (cgroups)

• Introduction to Cgroups
• Cgroup Subsystems and Subsystem Parameters
• Cgroup Hierarchical Model
• Cgroup Configuration Rules and Constrants
• Using Cgroup Command Line Utilities
• Assigning Processes to Cgroups
• Configuring Cgroup Rules
• Enabling PAM to Use Cgroup Rules

Virtualizing with Linux Containers

• Introduction to Linux Containers
• Linux Container Configuration File
• Required Linux Container Software Packages
• Linux Container Template Scripts
• Starting and Stopping a Linux Container
• Using the lxc Utilities
• Creating a Linux Container from an existing root file system

Advanced Storage Administration

• Introduction to iSCSI
• Configuring iSCSI Target and iSCSI Initiator
• Introduction to Device Mapper Multipathing (DM-Multipath)
• The DM-Multipath Configuration File
• Multipath Device Identifiers
• Configuring iSCSI Multipathing
• Introduction to Udev
• Using the udevadm Utility

Clustering with the Oracle Cluster File System Version 2 (OCFS2)

• Introduction to OCFS2
• OCFS2 Features
• Preparing for an OCFS2 Implementation
• Configuring the Cluster Layout
• OCFS2 Heartbeat Modes
• Cluster Timout Settings
• Using the OCFS2 Utilities
• OCFS2 Tuning and Debugging

Performance Diagnostics

• Using Rescue Mode to Correct Boot Problems
• Frequently Encountered Performance Problems
• Performance Tuning Kernel Parameters
• System Resource Reporting Utilities
• OS Watcher Black Box
• OS Watcher Black Box Analyzer
• Using the latencytop utility
• Using the strace utility

Core Dump Analysis

• System Core Collection
• The kdump Configuration File
• Kernel Parameters
• Magic SysRq Keys
• The kernel-debuginfo Software Packages
• Using the crash Utility
• General Guidelines for Using the crash Utility

Dynamic Tracking with DTrace

• Introduction to DTrace on Oracle Linux
• Why DTrace on Oracle Linux
• Enabling DTrace on Oracle Linux
• DTrace Providers and Probes
• The D Programming Language
• Enabling DTrace Actions
• Built-in D Variables and Functions
• D scripts